1 # ARM specific configuration file
5 default "arm" if ARCH_ARM_MODE_ARM
6 default "thumb" if ARCH_ARM_MODE_THUMB
10 prompt "Default instruction set mode"
11 default ARCH_ARM_MODE_ARM
13 config ARCH_ARM_MODE_ARM
17 Defaults to emitting instructions in the ARM mode.
19 config ARCH_ARM_MODE_THUMB
21 prompt "thumb (EXPERIMENTAL)"
22 depends on EXPERIMENTAL
24 Defaults to emitting instructions in the THUMB mode.
28 config ARCH_ARM_INTERWORKING
30 prompt "Use Thumb-interworking (READ HELP)"
31 depends on EXPERIMENTAL
33 Excerpt from the gcc manual:
35 > Generate code which supports calling between the ARM and Thumb
36 > instruction sets. Without this option the two instruction sets
37 > cannot be reliably used inside one program. The default is
38 > [not to use interwork], since slightly larger code is generated
39 > when [interwork] is specified.
46 Set up the toolchain so that it generates EABI-compliant binaries.
48 config ARCH_ARM_ABI_OK
51 depends on ! ARCH_ARM_EABI
52 select ARCH_SUPPORT_ABI